Hackers on Thursday exploited a vulnerability on Ain't It Cool News that redirected anyone visiting the movie review site to a server containing a malicious Adobe Reader file.
The attack targeted a vulnerable PHP script on one of AICN's servers that automatically appended the malicious link to banner ads served on the site, its …

Sumatra is an option

...full of sound and fury, signifying nothing

Hey, Bitdefender ftw, and, surprisingly, Microsoft, being 2 that found it. However, like the others, Foxit user here (also slowly going off it). As for users running outdated versions, blame Adobe, unlike other software which checks online when the program starts for updates then tells you, it doesn't seem to - maybe it would if the utility in startup was allowed to run in the background, but it was always the first thing I disabled.

After 20 odd years Microsoft have finally sussed that what their customers want is fast secure systems, let's hope it doesn't take Adobe that long.